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Mara Yamauchi, the British number 2 has withdrawn from the Olympic marathon just 9.4 kilometres into the race. The 38-year-old Oxford athlete had been hampered by a bruised heel in the build-up to the Games and, although determined to get to the startline, was clearly not fit.

Ethiopian's Tiki Gelana, in her first major championship, crossed the finish line on The Mall in two hours 23.07 minutes, an Olympic record, with Kenya's Priscah Jeptoo taking silver and Russia's Tatyana Petrova Arkhipova the bronze.